Samsung Galaxy S25 Ultra. If you're looking for a powerful smartphone with an AI companion that will make your entire day run smoothly, the Galaxy S25 Ultra is what you need. With

The AI features on Samsung's Galaxy S25 phones uses both on-device and cloud-based AI models, including the touted AI assistant.

As it was presented, I expected the Galaxy S25+ to change the way I used my phone or at least feel AI aiding the user experience. However, the sales pitch doesn’t match reality, and while many of Samsung’s enhanced AI features sound great on paper, their implementation leaves much to be desired.

Bizon praises the S25's Galaxy AI update as "a monumental step change in how a smartphone works for you. The best way I can describe is is like a PA in your pocket, it's bringing together seamlessly all the apps on your phone so you can perform really complex tasks with super simple commands."

The Galaxy S25, S25+, and S25 Ultra all feature rounded corners and minuscule bezels, but the real standout is the “cross-app AI” agent.

Setting up the Brief is pretty easy, with the simplest method being just to add it to the phone's home screen. All you need to do is press and hold the screen, then select the Widgets icon at the bottom of the screen, and tapping on the Now Brief icon.

Samsung's Galaxy S25 phones are all about AI. But the Ultra also gets a larger screen and a slightly refreshed look with smooth corners.

At Samsung Unpacked S25, Samsung showed off an AI-curated “Now Brief” that transforms the lock screen into a daily report.